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22-03-2024
Chemistry

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A 0.341M solution of the salt NaA has a pH of 12.15. Calculate the Ka value for the acid HA. Record your answer in scientific notation to 3 sig figs.
a) 1.00 x 10-13
b) 4.50 x 10-11
c) 2.57 x 10-2
d) 8.60 x 10-5

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